Kyoritsu KEW 4140 LOOP/PFC/PSC Tester

Kyoritsu KEW 4140 LOOP/PFC/PSC Testers

• Anti-Trip Technology for complete trip free Loop testing on all RCDs rated 30mA and above.
• Dual Display allows simultaneous measurements like Loop & PFC/PSC.
• Two wire connection for Loop L-L, L-N and PSC testing is possible.
• Phase rotation, Voltage and Frequency measurements.
• Lock-down test button for 'hands free' testing with auto-start operation.
• Display and front panel keyboards with Backlight to be visible in dark places.
• Water and Dust proof (IP54)

Loop Impedance
Function L-PE ATT OFF L-PE ATT ON L-N / L-L
Rated Voltage 230V (50/60Hz) L-N: 230V (50/60Hz)
L-L: 400V (50/60Hz)
Operating Voltage 100 - 280V (45 - 65Hz) 100 - 500V (45 - 65Hz)
Range (Auto-Ranging) 20/200/2000Ω 20/200/2000Ω
(L-N<20Ω) 20Ω
Nominal Test Current at 0Ω External Loop: Magnitude/Duration at 230V 20Ω:6A/20ms
200Ω:3A/20ms
2000Ω:15mA/250ms L-N: 6A/60ms
N-PE: 10mA/Approx.5s 20Ω: 6A/20ms
Accuracy ±3%rdg±4dgt (*1) ±3%rdg±6dgt (*1) L-N: ±3%rdg±4dgt
L-L: ±3%rdg±8dgt
PFC (L-PE) / PSC (L-N / L-L) (*2)
Function PFC PFC (ATT) PSC
Rated Voltage 230V (50/60Hz) L-N: 230V (50/60Hz)
L-L: 400V (50/60Hz)
Operating Voltage 100 - 280V (45 - 65Hz) 100 - 500V (45 - 65Hz)
Range (Auto-Ranging) 2000A/20kA 2000A/20kA (L-N<20Ω) 2000A/20kA
Nominal Test Current at 0Ω External Loop: Magnitude/Duration at 230V 20Ω: 6A/40ms
200Ω: 2A/20ms
2000Ω: 15mA/500ms L-N: 6A/60ms
N-PE: 10mA/Approx.5s 20Ω: 6A/20ms
Phase Rotation
Operating Voltage 50 - 500V, 45 - 65Hz
Remarks Correct phase sequence: displayed "1.2.3" and mark
Reversed phase sequence: displayed "3.2.1" and mark
Volts
Function Volts Frequency
Measuring range 0 - 500V 45 - 65Hz
Accuracy ±2%rdg±4dgt ±0.5%rdg±2dgt

Applicable standards IEC 61010-1 CAT III 300V (500V L to L),
IEC 61010-031, IEC 61557-1, 3, 7, 10,
IEC 60529 (IP54), IEC 61326 (EMC)
Power source 1.5V AA batteries × 6 *Use of alkaline batteries (LR6) is recommended.
Dimension 84 (L) × 184 (W) × 133 (D) mm
Weight Approx. 860g (including batteries)
Accessories Mains test lead (*3)
Distribution board test lead (*4)
9155 (Shoulder strap)
9156A (Soft case)
LR6 (Battery) × 6, Instruction manual

(*1): Accuracy of L-N LOOP displayed on the Sub Display is synchronized with the one at L-N/L-L function.
(*2): PSC/PFC Accuracy is derived from measured loop impedance specification and measured voltage specification.
(*3): 7187A (Power cord [UK]), 7218A (Power cord [EU]), 7221A (Power cord [SA]), 7222A (Power cord [AU])
(*4): 7246 (Blue, Green, Red), 7247 (Black, Green, Red)